When you relog in a debug mode world and generate new chunks default chunks generate

Can confirm, when opening the world, the game displays the "Worlds using Experimental Settings are not supported" error, this is the log:

15:10:55.835
WorldGenSettings: Input does not contain a key [type]: MapLike[{}] missed input: {"minecraft:overworld":{generator:{},type:"minecraft:overworld"}}
15:10:55.837
WorldGenSettings: Input does not contain a key [type]: MapLike[{}] missed input: {"minecraft:overworld":{generator:{},type:"minecraft:overworld"}}
15:10:55.844
Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
15:10:55.845
Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
15:10:55.845
Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
15:10:55.846
Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
15:10:55.847
Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
15:10:55.854
Reloading ResourceManager: Default
15:10:56.105
Loaded 6 recipes
15:10:56.154
Loaded 918 advancements
15:10:56.219
Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', name='PROD'
15:10:56.226
Starting integrated minecraft server version 20w22a
15:10:56.226
Generating keypair
15:10:56.260
Preparing start region for dimension minecraft:overworld
15:10:56.581
Preparing spawn area: 0%
15:10:56.682
Time elapsed: 391 ms
15:10:56.697
Changing view distance to 19, from 10
15:10:56.780
Galaxy_2Alex[local:E:93620e19] logged in with entity id 884 at (1.5, 71.79673560066871, 19.5)
15:10:56.784
Galaxy_2Alex joined the game
15:10:58.370
Saving and pausing game...
15:10:58.464
Saving chunks for level 'ServerLevel[New World]'/minecraft:overworld
15:10:58.469
Loaded 0 advancements
15:10:59.023
Saving and pausing game...
15:10:59.027
Saving chunks for level 'ServerLevel[New World]'/minecraft:overworld